Manufacture method of projector pop-top can

There are many ways to make projector cans. The following is a simple and easy method.

material:

1. empty cans (it is recommended to choose cans with higher height, which can hold a larger screen)

2. mobile phone or tablet computer

3. pin

4. ruler

5. scissors or knife

6. adhesive tape

7. black paper jam.

2. use scissors or a knife to cut off the top and bottom of the can. Pay attention to keep the aluminum ring on the top of the can.

3. cut a big mouth in the middle of the side of the can, and adjust the size of the cut appropriately according to the screen size.

4. Use black cardboard or cardboard to fix the periphery of the screen in a can to ensure the screen tension.

5. Take off the disc at the bottom of the can, cut a small hole from the center, put the mobile phone or tablet computer in and adjust it to a proper position. Use adhesive tape to fix the mobile phone or tablet computer on the can.

6. bend the aluminum ring at the top of the can, connect it to the inside of the side cut of the can and fix it with a pin, so as to adjust the focus and alignment of the screen.

7. cut a small opening above the side of the can to facilitate the adjustment of the focal length.

The projector can made by this method is simple, but it can also achieve good projection effect, which is convenient and practical.